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CAS 627-26-9

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trans-Crotononitrile

Description:
Trans-crotononitrile, with the CAS number 627-26-9, is an organic compound characterized by its alkenyl nitrile structure. It features a double bond between the second and third carbon atoms in a four-carbon chain, with a cyano group (-C≡N) attached to the terminal carbon. This configuration gives trans-crotononitrile its geometric isomerism, distinguishing it from its cis counterpart. The compound is typically a colorless to pale yellow liquid with a distinctive odor. It is soluble in organic solvents such as ethanol and ether but has limited solubility in water. Trans-crotononitrile is known for its reactivity, particularly in nucleophilic addition reactions due to the presence of the electron-withdrawing cyano group, making it a useful intermediate in organic synthesis. Additionally, it has applications in the production of various chemicals and materials, including pharmaceuticals and agrochemicals. Safety precautions should be observed when handling this compound, as it may pose health risks if inhaled or ingested.
Formula:C4H5N
InChI:InChI=1S/C4H5N/c1-2-3-4-5/h2-3H,1H3/b3-2+
InChI key:InChIKey=NKKMVIVFRUYPLQ-NSCUHMNNSA-N
SMILES:C(=C/C)\C#N
Synonyms:
  • (2E)-But-2-enenitrile
  • (E)-2-Butenenitrile
  • (E)-But-2-enenitrile
  • (E)-Crotononitrile
  • 2-Butenenitrile, (2E)-
  • 2-Butenenitrile,(E)-
  • Crotononitrile, (E)-
  • Crotononitrile, (E)- (8CI)
  • trans-1-Propenyl cyanide
  • trans-2-Butenenitrile
  • See more synonyms
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